#3D98F3
Closest named color: Chefchaouen Blue (#4895EF). oklch(66.9% 0.16 251.5), rgb(61, 152, 243).
Aa
Black text reads best on this color (6.98:1).
About this color
#3D98F3 is a medium-light, vivid blue. In OKLCH its lightness is 67%, its chroma 0.160 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.010 away. Black text reads best on it, at 6.98:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.160) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 6.98:1 |
| White text | 3.00:1 |
Values
| HEX | #3D98F3 |
| RGB | rgb(61, 152, 243) |
| HSL | hsl(210, 88%, 60%) |
| OKLCH | oklch(66.9% 0.16 251.5) |
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 #3D98F3 | 3.00:1 | AA large text | Lc -61.7 | Content text, not long reading |
| Black text on #3D98F3 | 6.98:1 | AA | Lc 47.7 | Large or bold text, headings |
| #3D98F3 text on white | 3.00:1 | AA large text | Lc 56.4 | Large or bold text, headings |
| #3D98F3 text on black | 6.98:1 | AA | Lc -45.4 | Large or bold text, headings |
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
#F0F6FC
oklch(97% 0.01 247.9)
-
Step 100
100
#DFEBF9
oklch(93.5% 0.023 252.2)
-
Step 200
200
#C5DCF6
oklch(88.6% 0.044 251.5)
-
Step 300
300
#9CC5F2
oklch(81% 0.078 251.1)
-
Step 400
400
#62A5EC
oklch(70.7% 0.125 251.3)
-
Step 500
500 (this color)
#3D98F3
oklch(66.9% 0.16 251.5)
-
Step 600
600
#0074CF
oklch(55.5% 0.165 251.7)
-
Step 700
700
#0062AF
oklch(49.2% 0.144 251.3)
-
Step 800
800
#005091
oklch(42.8% 0.126 251.5)
-
Step 900
900
#094376
oklch(37.8% 0.103 251.1)
-
Step 950
950
#092745
oklch(26.9% 0.066 251.7)
#3D98F3 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) | #6D9EF7 | 0.047 |
| Deuteranopia (no green cones) | #518DF1 | 0.030 |
| Tritanopia (no blue cones) | #00AEBA | 0.120 |
| Achromatopsia (no color) | #959595 | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D98F3
#3D98F3
oklch(66.9% 0.16 251.5)
- #CB8300
#CB8300
oklch(66.9% 0.144 71.1)
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 #3D98F3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.010
- Dark Sky Blue #448EE4 ΔE 0.031
- Cornflower Blue #6495ED ΔE 0.032
- Dodger Blue #1E90FF ΔE 0.035
- Soft Blue #6488EA ΔE 0.048
- Water Blue #0E87CC ΔE 0.076
- Cornflower #6A79F7 ΔE 0.084
- Periwinkle Blue #8F99FB ΔE 0.085
Use #3D98F3 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.