#4397AC
Closest named color: Cadet Blue (#5F9EA0). oklch(63.3% 0.086 216.8), rgb(67, 151, 172).
Aa
Black text reads best on this color (6.26:1).
About this color
#4397AC is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 63%, its chroma 0.086 and its hue 217°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.040 away. Black text reads best on it, at 6.26:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 6.26:1 |
| White text | 3.35:1 |
Values
| HEX | #4397AC |
| RGB | rgb(67, 151, 172) |
| HSL | hsl(192, 44%, 47%) |
| OKLCH | oklch(63.3% 0.086 216.8) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #4397AC | 3.35:1 | AA large text | Lc -66.2 | Content text, not long reading |
| Black text on #4397AC | 6.26:1 | AA | Lc 43.3 | Non-text elements, placeholder text |
| #4397AC text on white | 3.35:1 | AA large text | Lc 60.8 | Content text, not long reading |
| #4397AC text on black | 6.26:1 | AA | Lc -40.9 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100
#E1ECEF
oklch(93.6% 0.012 215.8)
-
Step 200
200
#C9DDE3
oklch(88.4% 0.023 217.7)
-
Step 300
300
#A3C8D2
oklch(80.9% 0.042 216)
-
Step 400
400
#6EABBC
oklch(70.6% 0.068 217.3)
-
Step 500
500 (this color)
#4397AC
oklch(63.3% 0.086 216.8)
-
Step 600
600
#178097
oklch(55.5% 0.094 217.3)
-
Step 700
700
#026C81
oklch(49% 0.087 217.5)
-
Step 800
800
#0C5869
oklch(42.6% 0.073 217.8)
-
Step 900
900
#164955
oklch(37.7% 0.056 216.5)
-
Step 950
950
#0F2B32
oklch(27.1% 0.036 216.6)
#4397AC with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #8993AD | 0.076 |
| Deuteranopia (no green cones) | #7A87AC | 0.069 |
| Tritanopia (no blue cones) | #009F9E | 0.044 |
| Achromatopsia (no color) | #8C8C8C | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4397AC
#4397AC
oklch(63.3% 0.086 216.8)
- #B87765
#B87765
oklch(63.3% 0.087 36.2)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #4397AC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.040
- Sea #3C9992 ΔE 0.043
- Teal Green #0A9396 ΔE 0.046
- Dusty Blue #5A86AD ΔE 0.052
- Blue NCS #118AB2 ΔE 0.052
- Blue Grey #758DA3 ΔE 0.053
- Faded Blue #658CBB ΔE 0.054
- Silver Lake Blue #778DA9 ΔE 0.056
Use #4397AC in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.