#3D98EC
Closest named color: Chefchaouen Blue (#4895EF). oklch(66.5% 0.152 249.8), rgb(61, 152, 236).
Aa
Black text reads best on this color (6.90:1).
About this color
#3D98EC is a medium-light, vivid blue. In OKLCH its lightness is 66%, its chroma 0.152 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.012 away. Black text reads best on it, at 6.90:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.152) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 6.90:1 |
| White text | 3.04:1 |
Values
| HEX | #3D98EC |
| RGB | rgb(61, 152, 236) |
| HSL | hsl(209, 82%, 58%) |
| OKLCH | oklch(66.5% 0.152 249.8) |
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 #3D98EC | 3.04:1 | AA large text | Lc -62.2 | Content text, not long reading |
| Black text on #3D98EC | 6.90:1 | AA | Lc 47.2 | Large or bold text, headings |
| #3D98EC text on white | 3.04:1 | AA large text | Lc 56.9 | Large or bold text, headings |
| #3D98EC text on black | 6.90:1 | AA | Lc -44.9 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#DFEBF8
oklch(93.5% 0.022 250.2)
-
Step 200
200
#C5DCF4
oklch(88.5% 0.041 249.4)
-
Step 300
300
#9CC5EF
oklch(80.9% 0.074 249.4)
-
Step 400
400
#63A6E7
oklch(70.8% 0.118 249.1)
-
Step 500
500 (this color)
#3D98EC
oklch(66.5% 0.152 249.8)
-
Step 600
600
#0076CA
oklch(55.7% 0.156 249.7)
-
Step 700
700
#0063AB
oklch(49.2% 0.138 249.7)
-
Step 800
800
#00518D
oklch(42.7% 0.12 249.5)
-
Step 900
900
#0A4373
oklch(37.6% 0.099 249.9)
-
Step 950
950
#0A2844
oklch(27.1% 0.063 250.1)
#3D98EC 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) | #719DEF | 0.051 |
| Deuteranopia (no green cones) | #578CEA | 0.034 |
| Tritanopia (no blue cones) | #00ACB7 | 0.112 |
| Achromatopsia (no color) | #949494 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D98EC
#3D98EC
oklch(66.5% 0.152 249.8)
- #CB8100
#CB8100
oklch(66.5% 0.144 69.8)
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 #3D98EC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.012
- Dark Sky Blue #448EE4 ΔE 0.027
- Cornflower Blue #6495ED ΔE 0.033
- Dodger Blue #1E90FF ΔE 0.042
- Soft Blue #6488EA ΔE 0.049
- Water Blue #0E87CC ΔE 0.070
- Faded Blue #658CBB ΔE 0.077
- Cool Blue #4984B8 ΔE 0.086
Use #3D98EC 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.