#3D9BCA
Closest named color: Faded Blue (#658CBB). oklch(65.4% 0.112 234.1), rgb(61, 155, 202).
Aa
Black text reads best on this color (6.73:1).
About this color
#3D9BCA is a medium-light, moderately saturated blue. In OKLCH its lightness is 65%, its chroma 0.112 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.049 away. Black text reads best on it, at 6.73:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.112) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.73:1 |
| White text | 3.11:1 |
Values
| HEX | #3D9BCA |
| RGB | rgb(61, 155, 202) |
| HSL | hsl(200, 57%, 52%) |
| OKLCH | oklch(65.4% 0.112 234.1) |
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 #3D9BCA | 3.11:1 | AA large text | Lc -63.3 | Content text, not long reading |
| Black text on #3D9BCA | 6.73:1 | AA | Lc 46.2 | Large or bold text, headings |
| #3D9BCA text on white | 3.11:1 | AA large text | Lc 57.9 | Large or bold text, headings |
| #3D9BCA text on black | 6.73:1 | AA | Lc -43.9 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E0ECF3
oklch(93.6% 0.016 233)
-
Step 200
200
#C7DDEA
oklch(88.5% 0.03 233.6)
-
Step 300
300
#9FC7DF
oklch(80.9% 0.054 234.7)
-
Step 400
400
#67AACF
oklch(70.8% 0.087 234)
-
Step 500
500 (this color)
#3D9BCA
oklch(65.4% 0.112 234.1)
-
Step 600
600
#007DAD
oklch(55.6% 0.117 234.3)
-
Step 700
700
#006992
oklch(49.1% 0.103 234.3)
-
Step 800
800
#005678
oklch(42.7% 0.089 233.9)
-
Step 900
900
#0C4762
oklch(37.6% 0.073 234.3)
-
Step 950
950
#0B2A39
oklch(27% 0.045 233.1)
#3D9BCA 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) | #849ACC | 0.070 |
| Deuteranopia (no green cones) | #718CC9 | 0.059 |
| Tritanopia (no blue cones) | #00A7AB | 0.070 |
| Achromatopsia (no color) | #929292 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D9BCA
#3D9BCA
oklch(65.4% 0.112 234.1)
- #C57C4A
#C57C4A
oklch(65.3% 0.112 53.8)
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 #3D9BCA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.049
- Dark Sky Blue #448EE4 ΔE 0.060
- Blue NCS #118AB2 ΔE 0.063
- Chefchaouen Blue #4895EF ΔE 0.063
- Cool Blue #4984B8 ΔE 0.064
- Dusty Blue #5A86AD ΔE 0.064
- Water Blue #0E87CC ΔE 0.065
- Greyblue #77A1B5 ΔE 0.066
Use #3D9BCA 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.