#4591A4
Closest named color: Teal Green (#0A9396). oklch(61.6% 0.08 216.5), rgb(69, 145, 164).
Aa
Black text reads best on this color (5.83:1).
About this color
#4591A4 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 62%, its chroma 0.080 and its hue 216°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Green (#0A9396), ΔE 0.039 away. Black text reads best on it, at 5.83:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Teal Green (#0A9396) |
| Black text | 5.83:1 |
| White text | 3.59:1 |
Values
| HEX | #4591A4 |
| RGB | rgb(69, 145, 164) |
| HSL | hsl(192, 41%, 46%) |
| OKLCH | oklch(61.6% 0.08 216.5) |
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 #4591A4 | 3.59:1 | AA large text | Lc -68.9 | Content text, not long reading |
| Black text on #4591A4 | 5.83:1 | AA | Lc 40.7 | Non-text elements, placeholder text |
| #4591A4 text on white | 3.59:1 | AA large text | Lc 63.4 | Content text, not long reading |
| #4591A4 text on black | 5.83:1 | AA | Lc -38.3 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECEF
oklch(93.6% 0.011 217.5)
-
Step 200
200
#CADDE2
oklch(88.5% 0.022 215.3)
-
Step 300
300
#A5C7D1
oklch(80.8% 0.039 217.5)
-
Step 400
400
#73ABBA
oklch(70.8% 0.062 216.4)
-
Step 500
500 (this color)
#4591A4
oklch(61.6% 0.08 216.5)
-
Step 600
600
#268094
oklch(55.7% 0.087 216)
-
Step 700
700
#166C7E
oklch(49.2% 0.081 215.9)
-
Step 800
800
#175867
oklch(42.8% 0.067 216.8)
-
Step 900
900
#1B4853
oklch(37.6% 0.052 216.5)
-
Step 950
950
#112A31
oklch(26.8% 0.033 218.4)
#4591A4 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) | #848DA5 | 0.070 |
| Deuteranopia (no green cones) | #7682A4 | 0.065 |
| Tritanopia (no blue cones) | #009897 | 0.044 |
| Achromatopsia (no color) | #878787 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4591A4
#4591A4
oklch(61.6% 0.08 216.5)
- #AF7463
#AF7463
oklch(61.6% 0.079 36.8)
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 #4591A4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Green #0A9396 ΔE 0.039
- Dusty Blue #5A86AD ΔE 0.042
- Sea #3C9992 ΔE 0.043
- Blue NCS #118AB2 ΔE 0.044
- Teal Blue #01889F ΔE 0.045
- Off Blue #5684AE ΔE 0.047
- Dusty Teal #4C9085 ΔE 0.047
- Cadet Blue #5F9EA0 ΔE 0.050
Use #4591A4 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.