#43829C
Closest named color: Cerulean (#457B9D). oklch(57.5% 0.076 227.3), rgb(67, 130, 156).
Aa
Black text reads best on this color (4.91:1).
About this color
#43829C is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 58%, its chroma 0.076 and its hue 227°. Its hue sits on the cool side of the wheel. The nearest named color is Cerulean (#457B9D), ΔE 0.021 away. Black text reads best on it, at 4.91:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Cerulean (#457B9D) |
| Black text | 4.91:1 |
| White text | 4.27:1 |
Values
| HEX | #43829C |
| RGB | rgb(67, 130, 156) |
| HSL | hsl(198, 40%, 44%) |
| OKLCH | oklch(57.5% 0.076 227.3) |
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 #43829C | 4.27:1 | AA large text | Lc -74.9 | Content text, not long reading |
| Black text on #43829C | 4.91:1 | AA | Lc 34.7 | Non-text elements, placeholder text |
| #43829C text on white | 4.27:1 | AA large text | Lc 69.4 | Content text, not long reading |
| #43829C text on black | 4.91:1 | AA | Lc -32.3 | 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 600.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBEF
oklch(93.5% 0.01 228.9)
-
Step 200
200
#CDDCE3
oklch(88.5% 0.019 227.3)
-
Step 300
300
#AAC6D2
oklch(81% 0.035 225.6)
-
Step 400
400
#7CA8BB
oklch(70.7% 0.055 226.4)
-
Step 500
500
#5992AB
oklch(63% 0.071 227.9)
-
Step 600
600 (this color)
#43829C
oklch(57.5% 0.076 227.3)
-
Step 700
700
#2F6980
oklch(49.2% 0.07 226.9)
-
Step 800
800
#285568
oklch(42.6% 0.059 228.1)
-
Step 900
900
#254755
oklch(37.8% 0.046 226.7)
-
Step 950
950
#172931
oklch(26.9% 0.028 227.9)
#43829C 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) | #74809D | 0.056 |
| Deuteranopia (no green cones) | #67769C | 0.050 |
| Tritanopia (no blue cones) | #008A8A | 0.053 |
| Achromatopsia (no color) | #7A7A7A | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #43829C
#43829C
oklch(57.5% 0.076 227.3)
- #9E6B51
#9E6B51
oklch(57.5% 0.076 47.8)
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 #43829C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cerulean #457B9D ΔE 0.021
- Stormy Blue #507B9C ΔE 0.023
- Teal Blue #01889F ΔE 0.032
- Off Blue #5684AE ΔE 0.036
- Dusty Blue #5A86AD ΔE 0.038
- Grey Blue #647D8E ΔE 0.038
- Dull Blue #49759C ΔE 0.038
- Steel Blue #4682B4 ΔE 0.038
Use #43829C 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.