#30698D
Closest named color: Denim (#3B638C). oklch(49.9% 0.083 239.2), rgb(48, 105, 141).
Aa
White text reads best on this color (5.94:1).
About this color
#30698D is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.083 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.019 away. White text reads best on it, at 5.94:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.53:1 |
| White text | 5.94:1 |
Values
| HEX | #30698D |
| RGB | rgb(48, 105, 141) |
| HSL | hsl(203, 49%, 37%) |
| OKLCH | oklch(49.9% 0.083 239.2) |
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 #30698D | 5.94:1 | AA | Lc -84.7 | Fine for body text |
| Black text on #30698D | 3.53:1 | AA large text | Lc 24.5 | Dividers and decoration only |
| #30698D text on white | 5.94:1 | AA | Lc 79.5 | Fine for body text |
| #30698D text on black | 3.53:1 | AA large text | Lc -22.3 | 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
#CCDCE7
oklch(88.6% 0.023 237.7)
-
Step 300
300
#AAC5D8
oklch(80.9% 0.04 238.7)
-
Step 400
400
#7CA7C5
oklch(70.8% 0.064 239.2)
-
Step 500
500
#5890B6
oklch(63% 0.082 239.6)
-
Step 600
600
#3C7AA2
oklch(55.6% 0.089 239.4)
-
Step 700
700 (this color)
#30698D
oklch(49.9% 0.083 239.2)
-
Step 800
800
#275471
oklch(42.8% 0.069 239.4)
-
Step 900
900
#25455B
oklch(37.6% 0.054 240.3)
-
Step 950
950
#162935
oklch(27.1% 0.033 237.5)
#30698D 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) | #58698F | 0.045 |
| Deuteranopia (no green cones) | #4C608C | 0.037 |
| Tritanopia (no blue cones) | #007275 | 0.059 |
| Achromatopsia (no color) | #646464 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #30698D
#30698D
oklch(49.9% 0.083 239.2)
- #86572F
#86572F
oklch(50% 0.083 59.5)
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 #30698D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.019
- Peacock Blue #016795 ΔE 0.027
- Ocean Blue #03719C ΔE 0.032
- Sea Blue #047495 ΔE 0.034
- Muted Blue #3B719F ΔE 0.037
- Dusky Blue #475F94 ΔE 0.040
- Denim Blue #3B5B92 ΔE 0.044
- Light Navy Blue #2E5A88 ΔE 0.045
Use #30698D 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.