#607E9D
Closest named color: Stormy Blue (#507B9C). oklch(58.2% 0.059 249.7), rgb(96, 126, 157).
Aa
Black text reads best on this color (4.96:1).
About this color
#607E9D is a medium-dark, muted blue. In OKLCH its lightness is 58%, its chroma 0.059 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Stormy Blue (#507B9C), ΔE 0.022 away. Black text reads best on it, at 4.96:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Stormy Blue (#507B9C) |
| Black text | 4.96:1 |
| White text | 4.22:1 |
Values
| HEX | #607E9D |
| RGB | rgb(96, 126, 157) |
| HSL | hsl(210, 24%, 50%) |
| OKLCH | oklch(58.2% 0.059 249.7) |
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 #607E9D | 4.22:1 | AA large text | Lc -74.6 | Content text, not long reading |
| Black text on #607E9D | 4.96:1 | AA | Lc 34.9 | Non-text elements, placeholder text |
| #607E9D text on white | 4.22:1 | AA large text | Lc 69.1 | Content text, not long reading |
| #607E9D text on black | 4.96:1 | AA | Lc -32.5 | 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
#D2DAE3
oklch(88.5% 0.015 251.2)
-
Step 300
300
#B4C2D2
oklch(80.8% 0.027 251.7)
-
Step 400
400
#8DA3BB
oklch(70.7% 0.043 250.7)
-
Step 500
500
#718DAA
oklch(63.3% 0.054 249.6)
-
Step 600
600 (this color)
#607E9D
oklch(58.2% 0.059 249.7)
-
Step 700
700
#48637F
oklch(49% 0.055 249.9)
-
Step 800
800
#3C5167
oklch(42.7% 0.045 250.1)
-
Step 900
900
#334354
oklch(37.6% 0.036 250.3)
-
Step 950
950
#1E2731
oklch(26.9% 0.023 251.3)
#607E9D 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) | #727F9E | 0.024 |
| Deuteranopia (no green cones) | #6B789C | 0.021 |
| Tritanopia (no blue cones) | #4B8588 | 0.051 |
| Achromatopsia (no color) | #7B7B7B | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #607E9D
#607E9D
oklch(58.2% 0.059 249.7)
- #927554
#927554
oklch(58.2% 0.059 69.9)
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 #607E9D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Stormy Blue #507B9C ΔE 0.022
- Grey Blue #647D8E ΔE 0.023
- Off Blue #5684AE ΔE 0.028
- Dusty Blue #5A86AD ΔE 0.029
- Slate Gray #708090 ΔE 0.030
- Cerulean #457B9D ΔE 0.032
- Battleship Grey #6B7C85 ΔE 0.037
- Steel #738595 ΔE 0.037
Use #607E9D 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.