#617EAA
Closest named color: Off Blue (#5684AE). oklch(58.9% 0.076 258.5), rgb(97, 126, 170).
Aa
Black text reads best on this color (5.07:1).
About this color
#617EAA is a medium-dark, moderately saturated blue. In OKLCH its lightness is 59%, its chroma 0.076 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Off Blue (#5684AE), ΔE 0.019 away. Black text reads best on it, at 5.07:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Off Blue (#5684AE) |
| Black text | 5.07:1 |
| White text | 4.13:1 |
Values
| HEX | #617EAA |
| RGB | rgb(97, 126, 170) |
| HSL | hsl(216, 30%, 52%) |
| OKLCH | oklch(58.9% 0.076 258.5) |
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 #617EAA | 4.13:1 | AA large text | Lc -73.9 | Content text, not long reading |
| Black text on #617EAA | 5.07:1 | AA | Lc 35.7 | Non-text elements, placeholder text |
| #617EAA text on white | 4.13:1 | AA large text | Lc 68.4 | Content text, not long reading |
| #617EAA text on black | 5.07:1 | AA | Lc -33.2 | 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
#F4F6F9
oklch(97.2% 0.005 258.3)
-
Step 100
100
#E6EAF1
oklch(93.6% 0.01 261.8)
-
Step 200
200
#D2DAE6
oklch(88.6% 0.019 258.4)
-
Step 300
300
#B3C2D7
oklch(80.9% 0.034 256.8)
-
Step 400
400
#8CA2C3
oklch(70.7% 0.054 258.4)
-
Step 500
500
#708BB4
oklch(63.2% 0.069 258.6)
-
Step 600
600 (this color)
#617EAA
oklch(58.9% 0.076 258.5)
-
Step 700
700
#486289
oklch(49.2% 0.07 258.3)
-
Step 800
800
#3B506F
oklch(42.8% 0.058 258)
-
Step 900
900
#33425A
oklch(37.7% 0.046 259.6)
-
Step 950
950
#1E2735
oklch(27.1% 0.029 259.1)
#617EAA 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) | #6E80AC | 0.019 |
| Deuteranopia (no green cones) | #6679A9 | 0.014 |
| Tritanopia (no blue cones) | #47878D | 0.066 |
| Achromatopsia (no color) | #7D7D7D | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #617EAA
#617EAA
oklch(58.9% 0.076 258.5)
- #957747
#957747
oklch(58.7% 0.075 78.2)
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 #617EAA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Off Blue #5684AE ΔE 0.019
- Dusty Blue #5A86AD ΔE 0.022
- Steel Blue #4682B4 ΔE 0.030
- Stormy Blue #507B9C ΔE 0.032
- Cool Blue #4984B8 ΔE 0.032
- Cerulean #457B9D ΔE 0.040
- Faded Blue #658CBB ΔE 0.043
- Grey Blue #647D8E ΔE 0.043
Use #617EAA 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.