#5F7899
Closest named color: Stormy Blue (#507B9C). oklch(56.6% 0.059 255.5), rgb(95, 120, 153).
Aa
Black text reads best on this color (4.63:1).
About this color
#5F7899 is a medium-dark, muted blue. In OKLCH its lightness is 57%, its chroma 0.059 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Stormy Blue (#507B9C), ΔE 0.018 away. Black text reads best on it, at 4.63:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Stormy Blue (#507B9C) |
| Black text | 4.63:1 |
| White text | 4.53:1 |
Values
| HEX | #5F7899 |
| RGB | rgb(95, 120, 153) |
| HSL | hsl(214, 23%, 49%) |
| OKLCH | oklch(56.6% 0.059 255.5) |
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 #5F7899 | 4.53:1 | AA | Lc -76.9 | Fine for body text |
| Black text on #5F7899 | 4.63:1 | AA | Lc 32.6 | Non-text elements, placeholder text |
| #5F7899 text on white | 4.53:1 | AA | Lc 71.4 | Content text, not long reading |
| #5F7899 text on black | 4.63:1 | AA | Lc -30.2 | Non-text elements, placeholder text |
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
#F4F6F8
oklch(97.2% 0.003 247.9)
-
Step 100
100
#E6EAEF
oklch(93.5% 0.008 253.9)
-
Step 200
200
#D3DAE3
oklch(88.6% 0.015 254.6)
-
Step 300
300
#B6C2D2
oklch(81% 0.026 255.6)
-
Step 400
400
#8FA2BB
oklch(70.6% 0.043 255.3)
-
Step 500
500
#748BAB
oklch(63.1% 0.055 256.7)
-
Step 600
600 (this color)
#5F7899
oklch(56.6% 0.059 255.5)
-
Step 700
700
#4C6280
oklch(49.1% 0.055 256.3)
-
Step 800
800
#3E5068
oklch(42.6% 0.046 255.8)
-
Step 900
900
#354354
oklch(37.8% 0.034 253.6)
-
Step 950
950
#1F2731
oklch(27% 0.022 254.2)
#5F7899 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) | #6C799B | 0.018 |
| Deuteranopia (no green cones) | #657498 | 0.013 |
| Tritanopia (no blue cones) | #4C7F83 | 0.052 |
| Achromatopsia (no color) | #767676 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5F7899
#5F7899
oklch(56.6% 0.059 255.5)
- #8B724E
#8B724E
oklch(56.7% 0.06 76.2)
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 #5F7899, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Stormy Blue #507B9C ΔE 0.018
- Grey Blue #647D8E ΔE 0.027
- Cerulean #457B9D ΔE 0.029
- Dull Blue #49759C ΔE 0.029
- Metallic Blue #4F738E ΔE 0.030
- Slate Gray #708090 ΔE 0.039
- Battleship Grey #6B7C85 ΔE 0.040
- Off Blue #5684AE ΔE 0.040
Use #5F7899 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.