#3D83A2
Closest named color: Cerulean (#457B9D). oklch(57.8% 0.085 229.7), rgb(61, 131, 162).
Aa
Black text reads best on this color (4.96:1).
About this color
#3D83A2 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 58%, its chroma 0.085 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is Cerulean (#457B9D), ΔE 0.023 away. Black text reads best on it, at 4.96:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Cerulean (#457B9D) |
| Black text | 4.96:1 |
| White text | 4.22:1 |
Values
| HEX | #3D83A2 |
| RGB | rgb(61, 131, 162) |
| HSL | hsl(198, 45%, 44%) |
| OKLCH | oklch(57.8% 0.085 229.7) |
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 #3D83A2 | 4.22:1 | AA large text | Lc -74.5 | Content text, not long reading |
| Black text on #3D83A2 | 4.96:1 | AA | Lc 35.1 | Non-text elements, placeholder text |
| #3D83A2 text on white | 4.22:1 | AA large text | Lc 69.0 | Content text, not long reading |
| #3D83A2 text on black | 4.96:1 | AA | Lc -32.7 | 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
#E3EBF0
oklch(93.5% 0.011 234.8)
-
Step 200
200
#CCDCE5
oklch(88.5% 0.021 232.2)
-
Step 300
300
#A8C6D5
oklch(80.9% 0.039 229.5)
-
Step 400
400
#79A8BF
oklch(70.6% 0.06 229.8)
-
Step 500
500
#5493AF
oklch(63.2% 0.077 228.6)
-
Step 600
600 (this color)
#3D83A2
oklch(57.8% 0.085 229.7)
-
Step 700
700
#286985
oklch(49.2% 0.079 229.9)
-
Step 800
800
#23566C
oklch(42.9% 0.065 229.4)
-
Step 900
900
#224757
oklch(37.8% 0.05 228.4)
-
Step 950
950
#152933
oklch(26.9% 0.032 231.4)
#3D83A2 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) | #7381A4 | 0.060 |
| Deuteranopia (no green cones) | #6577A2 | 0.051 |
| Tritanopia (no blue cones) | #008C8D | 0.055 |
| Achromatopsia (no color) | #7B7B7B | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D83A2
#3D83A2
oklch(57.8% 0.085 229.7)
- #A26A4B
#A26A4B
oklch(57.7% 0.085 49.4)
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 #3D83A2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cerulean #457B9D ΔE 0.023
- Stormy Blue #507B9C ΔE 0.026
- Teal Blue #01889F ΔE 0.029
- Blue NCS #118AB2 ΔE 0.031
- Steel Blue #4682B4 ΔE 0.031
- Off Blue #5684AE ΔE 0.032
- Dusty Blue #5A86AD ΔE 0.036
- Cool Blue #4984B8 ΔE 0.037
Use #3D83A2 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.