#306A87
Closest named color: Denim (#3B638C). oklch(49.8% 0.076 232.9), rgb(48, 106, 135).
Aa
White text reads best on this color (5.93:1).
About this color
#306A87 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.076 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.026 away. White text reads best on it, at 5.93:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.53:1 |
| White text | 5.93:1 |
Values
| HEX | #306A87 |
| RGB | rgb(48, 106, 135) |
| HSL | hsl(200, 48%, 36%) |
| OKLCH | oklch(49.8% 0.076 232.9) |
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 #306A87 | 5.93:1 | AA | Lc -84.7 | Fine for body text |
| Black text on #306A87 | 3.53:1 | AA large text | Lc 24.6 | Dividers and decoration only |
| #306A87 text on white | 5.93:1 | AA | Lc 79.5 | Fine for body text |
| #306A87 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBF0
oklch(93.5% 0.011 234.8)
-
Step 200
200
#CDDCE5
oklch(88.6% 0.02 233.9)
-
Step 300
300
#AAC5D5
oklch(80.8% 0.037 233.9)
-
Step 400
400
#7CA7C0
oklch(70.6% 0.059 234.2)
-
Step 500
500
#5992B0
oklch(63.2% 0.075 232.7)
-
Step 600
600
#3C7B9B
oklch(55.5% 0.082 233)
-
Step 700
700 (this color)
#306A87
oklch(49.8% 0.076 232.9)
-
Step 800
800
#27556C
oklch(42.8% 0.063 232.6)
-
Step 900
900
#254657
oklch(37.7% 0.048 232.5)
-
Step 950
950
#162933
oklch(26.9% 0.031 232.5)
#306A87 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) | #5C6988 | 0.050 |
| Deuteranopia (no green cones) | #506087 | 0.043 |
| Tritanopia (no blue cones) | #007274 | 0.051 |
| Achromatopsia (no color) | #646464 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #306A87
#306A87
oklch(49.8% 0.076 232.9)
- #855638
#855638
oklch(49.8% 0.076 52.7)
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 #306A87, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.026
- Sea Blue #047495 ΔE 0.034
- Peacock Blue #016795 ΔE 0.034
- Ocean Blue #03719C ΔE 0.037
- Muted Blue #3B719F ΔE 0.043
- Slate #516572 ΔE 0.044
- Metallic Blue #4F738E ΔE 0.045
- Dusky Blue #475F94 ΔE 0.048
Use #306A87 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.