#4F7899
Closest named color: Stormy Blue (#507B9C). oklch(55.6% 0.069 243.7), rgb(79, 120, 153).
Aa
White text reads best on this color (4.68:1).
About this color
#4F7899 is a medium-dark, muted blue. In OKLCH its lightness is 56%, its chroma 0.069 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Stormy Blue (#507B9C), ΔE 0.009 away. White text reads best on it, at 4.68:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Stormy Blue (#507B9C) |
| Black text | 4.47:1 |
| White text | 4.68:1 |
Values
| HEX | #4F7899 |
| RGB | rgb(79, 120, 153) |
| HSL | hsl(207, 32%, 45%) |
| OKLCH | oklch(55.6% 0.069 243.7) |
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 #4F7899 | 4.68:1 | AA | Lc -77.9 | Fine for body text |
| Black text on #4F7899 | 4.47:1 | AA large text | Lc 31.6 | Non-text elements, placeholder text |
| #4F7899 text on white | 4.68:1 | AA | Lc 72.5 | Content text, not long reading |
| #4F7899 text on black | 4.47:1 | AA large text | Lc -29.2 | 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 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
#D0DBE4
oklch(88.6% 0.017 242.5)
-
Step 300
300
#B0C3D4
oklch(80.8% 0.032 245.2)
-
Step 400
400
#87A5BE
oklch(70.8% 0.05 243.7)
-
Step 500
500
#688EAD
oklch(63% 0.063 243.6)
-
Step 600
600 (this color)
#4F7899
oklch(55.6% 0.069 243.7)
-
Step 700
700
#406583
oklch(49.2% 0.064 244.1)
-
Step 800
800
#35526A
oklch(42.6% 0.053 244.5)
-
Step 900
900
#2E4456
oklch(37.6% 0.041 243.9)
-
Step 950
950
#1B2832
oklch(27% 0.026 242)
#4F7899 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) | #6A789B | 0.034 |
| Deuteranopia (no green cones) | #607098 | 0.029 |
| Tritanopia (no blue cones) | #2E8083 | 0.057 |
| Achromatopsia (no color) | #747474 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F7899
#4F7899
oklch(55.6% 0.069 243.7)
- #906B48
#906B48
oklch(55.7% 0.069 64.1)
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 #4F7899, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Stormy Blue #507B9C ΔE 0.009
- Cerulean #457B9D ΔE 0.012
- Dull Blue #49759C ΔE 0.013
- Metallic Blue #4F738E ΔE 0.020
- Muted Blue #3B719F ΔE 0.034
- Grey Blue #647D8E ΔE 0.036
- Flat Blue #3C73A8 ΔE 0.037
- Off Blue #5684AE ΔE 0.044
Use #4F7899 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.