#607EA4
Closest named color: Off Blue (#5684AE). oklch(58.5% 0.068 254.6), rgb(96, 126, 164).
Aa
Black text reads best on this color (5.01:1).
About this color
#607EA4 is a medium-dark, muted blue. In OKLCH its lightness is 59%, its chroma 0.068 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Off Blue (#5684AE), ΔE 0.021 away. Black text reads best on it, at 5.01:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Off Blue (#5684AE) |
| Black text | 5.01:1 |
| White text | 4.18:1 |
Values
| HEX | #607EA4 |
| RGB | rgb(96, 126, 164) |
| HSL | hsl(214, 27%, 51%) |
| OKLCH | oklch(58.5% 0.068 254.6) |
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 #607EA4 | 4.18:1 | AA large text | Lc -74.3 | Content text, not long reading |
| Black text on #607EA4 | 5.01:1 | AA | Lc 35.3 | Non-text elements, placeholder text |
| #607EA4 text on white | 4.18:1 | AA large text | Lc 68.8 | Content text, not long reading |
| #607EA4 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
#F4F6F8
oklch(97.2% 0.003 247.9)
-
Step 100
100
#E6EAF0
oklch(93.6% 0.009 258.3)
-
Step 200
200
#D2DAE4
oklch(88.5% 0.016 253.9)
-
Step 300
300
#B4C2D5
oklch(80.9% 0.031 256)
-
Step 400
400
#8CA3BF
oklch(70.7% 0.049 253.5)
-
Step 500
500
#708CAF
oklch(63.2% 0.062 254.3)
-
Step 600
600 (this color)
#607EA4
oklch(58.5% 0.068 254.6)
-
Step 700
700
#486284
oklch(49% 0.063 255.4)
-
Step 800
800
#3B506B
oklch(42.6% 0.052 255)
-
Step 900
900
#334357
oklch(37.8% 0.04 254.3)
-
Step 950
950
#1E2733
oklch(27% 0.026 255.7)
#607EA4 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) | #7080A6 | 0.022 |
| Deuteranopia (no green cones) | #6879A3 | 0.016 |
| Tritanopia (no blue cones) | #48868B | 0.059 |
| Achromatopsia (no color) | #7C7C7C | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #607EA4
#607EA4
oklch(58.5% 0.068 254.6)
- #94764D
#94764D
oklch(58.5% 0.068 74.5)
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 #607EA4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Off Blue #5684AE ΔE 0.021
- Dusty Blue #5A86AD ΔE 0.023
- Stormy Blue #507B9C ΔE 0.025
- Steel Blue #4682B4 ΔE 0.034
- Grey Blue #647D8E ΔE 0.034
- Cerulean #457B9D ΔE 0.034
- Cool Blue #4984B8 ΔE 0.036
- Slate Gray #708090 ΔE 0.038
Use #607EA4 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.