#627BB5
Closest named color: Off Blue (#5684AE). oklch(58.8% 0.094 265.8), rgb(98, 123, 181).
Aa
Black text reads best on this color (5.01:1).
About this color
#627BB5 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 59%, its chroma 0.094 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Off Blue (#5684AE), ΔE 0.032 away. Black text reads best on it, at 5.01:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Off Blue (#5684AE) |
| Black text | 5.01:1 |
| White text | 4.18:1 |
Values
| HEX | #627BB5 |
| RGB | rgb(98, 123, 181) |
| HSL | hsl(222, 36%, 55%) |
| OKLCH | oklch(58.8% 0.094 265.8) |
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 #627BB5 | 4.18:1 | AA large text | Lc -74.3 | Content text, not long reading |
| Black text on #627BB5 | 5.01:1 | AA | Lc 35.3 | Non-text elements, placeholder text |
| #627BB5 text on white | 4.18:1 | AA large text | Lc 68.8 | Content text, not long reading |
| #627BB5 text on black | 5.01:1 | AA | Lc -32.9 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E6EAF2
oklch(93.6% 0.012 264.5)
-
Step 200
200
#D2D9E9
oklch(88.5% 0.023 266.9)
-
Step 300
300
#B4C1DD
oklch(81% 0.042 265.7)
-
Step 400
400
#8DA0CC
oklch(70.7% 0.068 266.5)
-
Step 500
500
#7188BE
oklch(63% 0.086 266.3)
-
Step 600
600 (this color)
#627BB5
oklch(58.8% 0.094 265.8)
-
Step 700
700
#495F93
oklch(49.2% 0.088 265.8)
-
Step 800
800
#3C4E77
oklch(42.8% 0.072 265.4)
-
Step 900
900
#334160
oklch(37.7% 0.057 265.2)
-
Step 950
950
#1E2638
oklch(27% 0.036 265.6)
#627BB5 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) | #6680B7 | 0.015 |
| Deuteranopia (no green cones) | #5D78B4 | 0.011 |
| Tritanopia (no blue cones) | #438790 | 0.084 |
| Achromatopsia (no color) | #7C7C7C | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #627BB5
#627BB5
oklch(58.8% 0.094 265.8)
- #967834
#967834
oklch(58.8% 0.094 85.2)
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 #627BB5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Off Blue #5684AE ΔE 0.032
- Cool Blue #4984B8 ΔE 0.034
- Steel Blue #4682B4 ΔE 0.034
- Dusty Blue #5A86AD ΔE 0.037
- Stormy Blue #507B9C ΔE 0.047
- Faded Blue #658CBB ΔE 0.047
- Windows Blue #3778BF ΔE 0.049
- Dull Blue #49759C ΔE 0.052
Use #627BB5 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.