#487491
Closest named color: Metallic Blue (#4F738E). oklch(53.9% 0.067 238.6), rgb(72, 116, 145).
Aa
White text reads best on this color (5.02:1).
About this color
#487491 is a medium-dark, muted blue. In OKLCH its lightness is 54%, its chroma 0.067 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.008 away. White text reads best on it, at 5.02:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 4.18:1 |
| White text | 5.02:1 |
Values
| HEX | #487491 |
| RGB | rgb(72, 116, 145) |
| HSL | hsl(204, 34%, 43%) |
| OKLCH | oklch(53.9% 0.067 238.6) |
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 #487491 | 5.02:1 | AA | Lc -80.0 | Fine for body text |
| Black text on #487491 | 4.18:1 | AA large text | Lc 29.5 | Dividers and decoration only |
| #487491 text on white | 5.02:1 | AA | Lc 74.6 | Content text, not long reading |
| #487491 text on black | 4.18:1 | AA large text | Lc -27.1 | 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 600.
-
Step 50
50
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E5EBEF
oklch(93.7% 0.008 236.6)
-
Step 200
200
#D0DBE3
oklch(88.5% 0.016 239.1)
-
Step 300
300
#B0C4D2
oklch(81% 0.029 238.3)
-
Step 400
400
#85A5BC
oklch(70.6% 0.049 239.6)
-
Step 500
500
#668FAB
oklch(63.1% 0.062 238.9)
-
Step 600
600 (this color)
#487491
oklch(53.9% 0.067 238.6)
-
Step 700
700
#3E6680
oklch(49.2% 0.062 238.3)
-
Step 800
800
#335368
oklch(42.7% 0.051 238.4)
-
Step 900
900
#2D4555
oklch(37.8% 0.04 238.4)
-
Step 950
950
#1B2832
oklch(27% 0.026 242)
#487491 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) | #677392 | 0.038 |
| Deuteranopia (no green cones) | #5D6C91 | 0.033 |
| Tritanopia (no blue cones) | #247B7E | 0.052 |
| Achromatopsia (no color) | #6F6F6F | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #487491
#487491
oklch(53.9% 0.067 238.6)
- #8C6547
#8C6547
oklch(54% 0.067 58.3)
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 #487491, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.008
- Dull Blue #49759C ΔE 0.017
- Cerulean #457B9D ΔE 0.024
- Stormy Blue #507B9C ΔE 0.027
- Muted Blue #3B719F ΔE 0.029
- Flat Blue #3C73A8 ΔE 0.039
- Sea Blue #047495 ΔE 0.041
- Ocean #017B92 ΔE 0.042
Use #487491 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.