#3F93AA
Closest named color: Blue NCS (#118AB2). oklch(62.1% 0.087 218.8), rgb(63, 147, 170).
Aa
Black text reads best on this color (5.96:1).
About this color
#3F93AA is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 62%, its chroma 0.087 and its hue 219°. Its hue sits on the cool side of the wheel. The nearest named color is Blue NCS (#118AB2), ΔE 0.041 away. Black text reads best on it, at 5.96:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (62%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Blue NCS (#118AB2) |
| Black text | 5.96:1 |
| White text | 3.52:1 |
Values
| HEX | #3F93AA |
| RGB | rgb(63, 147, 170) |
| HSL | hsl(193, 46%, 46%) |
| OKLCH | oklch(62.1% 0.087 218.8) |
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 #3F93AA | 3.52:1 | AA large text | Lc -68.0 | Content text, not long reading |
| Black text on #3F93AA | 5.96:1 | AA | Lc 41.5 | Non-text elements, placeholder text |
| #3F93AA text on white | 3.52:1 | AA large text | Lc 62.5 | Content text, not long reading |
| #3F93AA text on black | 5.96:1 | AA | Lc -39.1 | 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
#C9DDE4
oklch(88.5% 0.023 220.8)
-
Step 300
300
#A3C8D3
oklch(81% 0.042 217.8)
-
Step 400
400
#6EABBD
oklch(70.6% 0.068 218.5)
-
Step 500
500 (this color)
#3F93AA
oklch(62.1% 0.087 218.8)
-
Step 600
600
#178099
oklch(55.6% 0.095 219.1)
-
Step 700
700
#026C82
oklch(49.1% 0.088 218.5)
-
Step 800
800
#0C586A
oklch(42.7% 0.073 219)
-
Step 900
900
#164956
oklch(37.8% 0.057 218.1)
-
Step 950
950
#0F2B32
oklch(27.1% 0.036 216.6)
#3F93AA 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) | #848FAB | 0.074 |
| Deuteranopia (no green cones) | #7584AA | 0.066 |
| Tritanopia (no blue cones) | #009B9A | 0.046 |
| Achromatopsia (no color) | #898989 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F93AA
#3F93AA
oklch(62.1% 0.087 218.8)
- #B4745F
#B4745F
oklch(62.1% 0.087 38.9)
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 #3F93AA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue NCS #118AB2 ΔE 0.041
- Teal Green #0A9396 ΔE 0.042
- Dusty Blue #5A86AD ΔE 0.044
- Sea #3C9992 ΔE 0.046
- Teal Blue #01889F ΔE 0.047
- Off Blue #5684AE ΔE 0.048
- Cadet Blue #5F9EA0 ΔE 0.050
- Faded Blue #658CBB ΔE 0.052
Use #3F93AA 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.