#30698B
Closest named color: Denim (#3B638C). oklch(49.8% 0.081 237.6), rgb(48, 105, 139).
Aa
White text reads best on this color (5.96:1).
About this color
#30698B is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.081 and its hue 238°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.020 away. White text reads best on it, at 5.96:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.51:1 |
| White text | 5.96:1 |
Values
| HEX | #30698B |
| RGB | rgb(48, 105, 139) |
| HSL | hsl(202, 49%, 37%) |
| OKLCH | oklch(49.8% 0.081 237.6) |
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 #30698B | 5.96:1 | AA | Lc -84.8 | Fine for body text |
| Black text on #30698B | 3.51:1 | AA large text | Lc 24.4 | Dividers and decoration only |
| #30698B text on white | 5.96:1 | AA | Lc 79.6 | Fine for body text |
| #30698B text on black | 3.51:1 | AA large text | Lc -22.2 | Dividers and decoration only |
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 700.
-
Step 50
50
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF1
oklch(93.6% 0.012 239.9)
-
Step 200
200
#CCDCE6
oklch(88.5% 0.022 235)
-
Step 300
300
#AAC5D7
oklch(80.9% 0.039 237.2)
-
Step 400
400
#7CA7C3
oklch(70.7% 0.062 237.3)
-
Step 500
500
#5991B4
oklch(63.2% 0.079 237.3)
-
Step 600
600
#3C7AA0
oklch(55.5% 0.087 238)
-
Step 700
700 (this color)
#30698B
oklch(49.8% 0.081 237.6)
-
Step 800
800
#27546F
oklch(42.7% 0.067 237.5)
-
Step 900
900
#25465A
oklch(37.8% 0.052 236.9)
-
Step 950
950
#162935
oklch(27.1% 0.033 237.5)
#30698B 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) | #59698D | 0.046 |
| Deuteranopia (no green cones) | #4D5F8A | 0.040 |
| Tritanopia (no blue cones) | #007275 | 0.056 |
| Achromatopsia (no color) | #636363 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #30698B
#30698B
oklch(49.8% 0.081 237.6)
- #855632
#855632
oklch(49.7% 0.08 57)
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 #30698B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.020
- Peacock Blue #016795 ΔE 0.029
- Ocean Blue #03719C ΔE 0.033
- Sea Blue #047495 ΔE 0.034
- Muted Blue #3B719F ΔE 0.039
- Dusky Blue #475F94 ΔE 0.042
- Light Navy Blue #2E5A88 ΔE 0.045
- Denim Blue #3B5B92 ΔE 0.046
Use #30698B 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.